28306565

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3727}}^1$

素因数の和:3777

約数の個数: 24

約数和(自身を含む): 40799232

約数和(自身を除く): 12492667

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 3727, 7595, 18635, 26089, 115537, 130445, 182623, 577685, 808759, 913115, 4043795, 5661313, 28306565]

約数ペア:

[(1, 28306565), (5, 5661313), (7, 4043795), (31, 913115), (35, 808759), (49, 577685), (155, 182623), (217, 130445), (245, 115537), (1085, 26089), (1519, 18635), (3727, 7595)]